arduino_scout.js

var SerialPort = require('serialport').SerialPort;
var Sound = require('./sound');

var ArduinoScout = module.exports = function(){
  this.portName = '/dev/tty.usbserial';
};

ArduinoScout.prototype.init = function(cb){
  this.connect(this.portName, cb);
};

ArduinoScout.prototype.connect = function(portName, cb){
  var self = this;

  var port = new SerialPort(portName, function(err){
    if(err)
      return cb(err);

    self.emit('discover', Sound, port);
    // or
    self.discover(Sound, port);

  });

};